1、 現在完成時現在完成時表示過去發生的某一動作對現表示過去發生的某一動作對現在造成的影響或產生的結果在造成的影響或產生的結果. .現在完成時這一時態強調是過現在完成時這一時態強調是過去動作與現在的聯系去動作與現在的聯系, ,也就是也就是強調現在的影響和結果強調現在的影響和結果. .主語主語+have/has+have/has+過去分詞過去分詞與一般過去時的區別與一般過去時的區別 一般過去時：有表示一般過去時：有表示過去時間點過去時間點的提示詞的提示詞e.g. She bought two movie tickets yesterday.His mother received great pres

2、ents on mothers day.v1.都表示過去發生的事都表示過去發生的事v2.現在完成時強調過去和現在的聯系，不能和具現在完成時強調過去和現在的聯系，不能和具體的時間狀語連用；體的時間狀語連用；v3.一般過去時強調過去發生的事或狀態與表示過一般過去時強調過去發生的事或狀態與表示過去的具體時間連用（去的具體時間連用（last, ago, yesterday, etc. ）presentpasteg.1. He had his breakfast at 6:00 He has had his breakfast. 2. When did you come here? I watched

3、the football match on TV at 9:00. v用法二用法二： for+段時間段時間 since+點時間點時間 since+句子（過去時）句子（過去時）E.g. Kate has lived here for 3 years. Kate has lived here since 3 years ago. Kate has lived here since she came to China.表示過去某個時間開始的動作或表示過去某個時間開始的動作或存在的狀態，一直持續到現在并存在的狀態，一直持續到現在并可能還將持續下去。動詞使用延可能還將持續下去。動詞使用延續性動詞。常與續

4、性動詞。常與forfor或或sincesince引導引導的時間連用的時間連用vHis father has died. (for 2 years)vThe football match has begun.(since9:00a.m)His father has been dead for 2 years.The football match has been on since 9:00 a.m.eg. 他死了兩年了：He died two years ago.He has been dead for two years /since two years ago It is/ has been two years since he died.Two years has passed since he died. v 這本書我借了一個月了。I borrowed this book a month ago.It is/ has been a month since I borrowed the book.I have kept the book for a